Hi Jim,
We have discontinued the Elecraft version of the HexKey due to significant
price increases from the manufacturer. I believe you can still purchase the
Bencher version directly from them.
73,
Eric
elecraft.com
_..._
On Jun 30, 2013, at 5:03 PM, k...@cox.net wrote:
Hi All,
I am
Hi all,
I have two devices which requires band data.
1.)Bandpass filter with 12 volt input lines per band
2.)Antenna switch which requires a BCD coded input for automatic
switching
My intention is to use KRC2 in serial mode. I understood from documentation
BCD coded band data
Joerg,
The KRC2 can be configured to accept BCD data as input, but I see no
reference that it provides BCD output.
73,
Don W3FPR
On 7/1/2013 8:05 AM, Jörg Rüschenschmidt wrote:
Hi all,
I have two devices which requires band data.
1.)Bandpass filter with 12 volt input lines per band
I use the KRC2 as you describe (though I've got a highly modified bandmap
and use it for driving my microwave rover station) .. I use the BCD output
to drive my LO synthesizer and the discrete outputs to throw relays and
stuff, works fine for me
de w1rt/john
On Mon, Jul 1, 2013 at 8:05 AM, Jörg
Looking to buy KPA 500 amp. Must be pristine and function perfectly as well,
including all cabling. Reply off list to k...@juno.com TNX
1 Odd spice that FIGHTS diabetes
Can this unusual #34;super spice#34; control your blood sugar and
With all the banter about KX3's and amp's, on batteries for Emergency
use.
Please remember, that battery makers specify the AH figure, for a typical
C/20 rate, (1/20th the nominal AH current value.) Some may quote it at
C/10, check the data sheets for the battery of interest, they will often
Hello all,
Well, the KE7X KRC2 app note is yet another unfinished project I need to get
back on.
The KRC2 is a great little decoder box with tremendous flexibility in how you
use it but it does require you to carefully study the schematic. Here are some
of my more-or-less random observations.
After you're caught up building everything Elecraft offers and still have that
need for melting solder, this unique shack clock is available in KIT form!.
Terry, W0FM
http://hackedgadgets.com/2010/06/23/multimeter-clock-styled-after-the-simpson-260-multimeter/
Don,
The manual says (on page 25 of rev C):
The remaining four drivers, labeled A, B, C and D, are TTL-compatible
inputs or outputs depending on the operating mode. In normal KRC2 or
analog modes, the terminals are outputs. In digital parallel input
mode, they become inputs, and receive the
Exactly right, Dave. I should have thought to mention this.
73, Jim K9YC
On 7/1/2013 6:27 AM, Dave B wrote:
Please remember, that battery makers specify the AH figure, for a typical
C/20 rate, (1/20th the nominal AH current value.) Some may quote it at
C/10, check the data sheets for the
I don't believe that there is any sort of rig-control-like protocol
for manipulating the functions of KRC2 over the serial port. It would
be nice, though! AFAIK, it only supports firmware and bandmap updates
(by transferring blobs of data).
73,
~iain / N6ML
On Sun, Jun 30, 2013 at 10:54
KX3 #1877, factory assembled w/ EVERY accessory for sale.
Includes the MH-3 and PRO-3 headset.
Will be sold as a whole package only.
Please send your best offer.
Mike Mardis
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Hi
I am new to the Elecraft. I now have ERR KEY - what is it and how can I get
rid of it? Thanks
Dick N5XRD
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Post:
Is there a simply way when searching on this e-mail list to search only for K1
kit posts as this is my first Elecraft kit (the K1-4) after building Heathkits
of old when I was 13-15 years old? Thanks for your help guys as Elecraft now
seems to be my replacement for Heathkits in the year 2013!
Which brings us full circle as to what is it you are trying to accomplish? The
ham with a KX3 and a chuck of wire will do (OK) on a hill top or by the
ocean-side. This works very well for the week end warriors etc. Add a solar
panel and the duration goes way up. Add a resonant antenna not
Hello,
I posted the work below to an eHam forum and one reply suggested posting to
this site.
Thru another reply I have already verified that my interpreting of the
K3-block-diagram is ok.
So, left unanswered is the reason for the 2-pole crystal-ladder-filter.
Hello,
I'm to give a talk
On Sat, Jun 29, 2013 at 12:50 PM, Richard W Hemingway
rhemi...@sbcglobal.net wrote:
I am new to the Elecraft. I now have ERR KEY - what is it and how can I get
rid of it? Thanks
It means that something is asserting (CW) key-down when the rig is
turned on. Disconnect everything (except power)
Hi, All,
I'm selling my Elecraft T1 portable ATU. I purchased this T1 directly from
Elecraft, factory assembled tested. This T1 is in excellent condition and
operates perfectly. Though I can't identify any obvious scratches, assume
it could have some very slight ones. Selling because both my KX1
Jack,
Just a shot in the dark but are you using 220 or 110 to power your KAP500?
73,
Bill - W0BBI
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There is a command, RX, to turn off the receiver attenuator and NB command
for the noise blanker... Is there a similar way to turn off the preamp
and/or NR... I'd like to clear these conditions in a CLEANUP macro on PF1.
If not, could there be?
New (ish) owner of a K3/100 with KAT3 and sub receiver. When I assembled it I
fed the sub receiver from the KAT3.
I have a vertical and a wire loop connected to ANT1 and ANT2 respectively.
Given the numerous warnings in the manual I'm wondering if this a safe
configuration for diversity
I would appreciate any help from the group on my unusual antenna situation. Not
really Elecraft related, so OK to respond off line.
Recently, we had to gut our back yard, as several Redwood trees were
undermining a retaining wall. Bad situation. So, the trees had to go, and with
them my
Pete - that sounds pretty much like what I'm doing. I have the sub-rx; Ant1
normally goes to main, Ant2 to the sub-rx. My Ant2 is a ground mounted Hustler
5BTV vertical, Ant1 is switchable to an 88 foot doublet, an 80 meter Inverted
L, or a 160 meter Inverted L. Also am running an AL811 amp at
Randy,
Also a CA ham, but a bit to the east of you, up here in Folsom. We've got
several redwoods and they serve me well for an 88 foot doublet at 45 feet, and
two Inverted L's - one for 80 and one for 160. However, I use the K3's
diversity receive a LOT and for my other antenna, I have a
Randy,
I think elevated radials need to be tuned, that is a particular length for a
given band. If you will be operating multiple bands, a set is needed for
each band. Radials on or under ground do not need to be a particular length
to work (more and longer is probably always good).
What
Another correction. HLA 300 (and probably 150) have RF sensing PTT and
automatic band switching. They also have decent IMD is not driven to full
output power. HLA 300 is about 25-30 db IMD when driven to 150-200 watts
(5-7watt input) and cost under 500 USD. No antenna tuner though.
73, Igor
On Mon, Jul 1, 2013 at 8:54 AM, Ronald Herman rtherma...@gmail.com wrote:
There is a command, RX, to turn off the receiver attenuator and NB command
for the noise blanker... Is there a similar way to turn off the preamp
and/or NR... I'd like to clear these conditions in a CLEANUP macro on PF1.
Thanks John, that's great information. How is the KRC2 receiving the band data?
Via the AUXBUS?
Thanks,
Fred
(And thanks Ian for:
The manual says (on page 25 of rev C):
The remaining four drivers, labeled A, B, C and D, are TTL-compatible
inputs or outputs depending on the operating mode.
I recently completed building a K1 and have made several contacts. I'm
still learning the radio and noticed that when I change the LCD display
from normal (nor) to voltmeter (bat) the ATTN LED dimly and rapidly
flickers. It doesn't matter if I'm using a battery for power or a DC
supply. When I
Question answered.. I missed the PA command in the programmer
reference... Nothing for NR function. And I had a typo it was RA not RX
in my original posting.
--
Ron Herman
rtherma...@gmail.com
sent from gmail.com http://gmal.com web site
The Elecraft T1 ATU has sold. Thanks!
Thomas
K4SWL
*Hi, All,
I'm selling my Elecraft T1 portable ATU. I purchased this T1 directly from
Elecraft, factory assembled tested. This T1 is in excellent condition and
operates perfectly. Though I can't identify any obvious scratches, assume
it could
Elevated radials are better than buried, but more radials are better
than a few or none. A good minimum number (for each band) would be 8.
Many studies on this have shown many more than 8 per band (like 25)
is much better and, of course, much harder and expensive to field.
I have a 33' vertical
Hi,
I have a K3 500Hz of the five pole filters for offsets -0.84 and -0.78.
I would like to swap those with somebody so that we both get a better
matched pair for main and sub rx.
Both my filters are quite new, the main rx serial number is 6913 and sub rx
is installed in last week. My fault was
Hi, Jerry,
That 2-pole filter is probably there to eliminate any wideband noise that might
be generated in the 1st IF amp. It's a good receiver design technique.
R,
Al W6LX
From: Jerome Sodus jso...@comcast.net
To: elecraft@mailman.qth.net
Sent:
Hi Randy,
I have plotted several of the ground radial count versus loss studies.
http://www.kn5l.net/GroundRadialStudy/#figure2
A plot of minimum radial length versus number of radials is:
http://www.kn5l.net/GroundRadialStudy/#figure4
The above may help you with your antenna selection.
John
Rich wrote:
I recently completed building a K1 and have made several contacts. I'm
still learning the radio and noticed that when I change the LCD display
from normal (nor) to voltmeter (bat) the ATTN LED dimly and rapidly
flickers...
Can I just ignore this or does it warrant further
I just looked at mine, which at the moment is on the AUXBUS.
The outputs are BCD with a twist.
160m - BCD = 1
80m - BCD = 2
60m - BCD = 10
40m - BCD = 3
30m - BCD = 4
20m - BCD = 5
17m - BCD = 6
15m - BCD = 7
12m - BCD = 8
10m - BCD = 9
6m - BCD = 11 if CONFIG:KRC Band6=B6
6m - BCD
I finished putting together the KPA 500 kit this weekend. Everything
seemed to go smoothly. However, upon plugging it in to the mains it
will not turn on. I've checked the safety switch mechanism on the top
and it does properly depress the switch. I've also checked the switch
itself which
Carl, sounds obvious but did you check the fuse?
Best regards, Tim Hague
Skype m0afj.Tim
Sent on my iPad
On 1 Jul 2013, at 20:07, Carl Jón Denbow c...@n8vz.com wrote:
I finished putting together the KPA 500 kit this weekend. Everything seemed
to go smoothly. However, upon plugging it in
Except the K3 i-f amplifier is fairly low gain, that gets even lower with
hardware AGC. Noise filters are usually used at the end of a high-gain i-f
strip.
Wes N7WS
--- On Mon, 7/1/13, Al Lorona alor...@sbcglobal.net wrote:
From: Al Lorona alor...@sbcglobal.net
Subject: Re: [Elecraft]
Pure genius, Tim. The instructions on the fuses are in the owners
manual and not the construction manual. I thought construction ended
with the construction manual!! Some how I thought the fuses at were
supplied were replacements. I'm now in the process of installing the
correct 115 VAC
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John Marvin wrote
One correction. The HF Packer is not a 50w amp. It's about 45w at 160m,
and then steadily less as you go up in frequency (40w for 80m, 35w for
40-20m, 30w for 17/15m, 25w for 12m and about 20w for 10m). It doesn't
support 6m. These numbers come directly from a graph in the
Mike WA8BXN wrote
I think elevated radials need to be tuned, that is a particular length for
a
given band. If you will be operating multiple bands, a set is needed for
each band.
If elevated radials are not tuned and not quarter wave, the efficiency may
be even higher than with quarter wave
My K1 (20m + 40m), built about five months ago, has been operating
perfectly... after some initial problems which were resolved. I’ve
recently taken it camping and a roadblock problem has now showed up (on two
earlier camping trips, it performed well).
The symptoms are twofold: first, there is
David/AC4BN wrote:
The symptoms are twofold: first, there is no sidetone when keyed, although
I can see the bars on the LCD as the transmitter is keyed. I am using it
with separate 20 and 40 dipoles dipoles and no antenna tuner (which worked
nicely before this).
Second, the incoming signals are
All of the no radial verticals that I've seen are electrically 1/2
wavelength long and so behave as an end-fed dipole. Since the feed point
impedance is very high, there is very little current flowing and so a ground
connection has relatively little impact on the efficiency.
Another great
Elevated radials need not be tuned (whatever matching network is used
should resolve the tuning, BUT if the radials are to be effective in
cancelling the horizontally polarized radiation, pairs must be arranged
180 degrees apart. Yes, they can bend, but will be most effective if
the bends are
David,
Loss of sidetone as well as 'strangness' in the filter width points to
the XFIL/TONE signal line which originates at pin 1 of Front Panel U2.
It provides sidetone during transmit and the voltage during receive
controls the width of the IF filter.
I don't know if it could be directly
Mike,
Tuned radials are really not needed in an elevated radial setup.
You just put an ATU at the base of the vertical section and run 2-4
radials from the ground of the ATU. The only issue is making sure the
antenna system is really high enough to be called raised. I would shoot
for
Mike... two good questions to ask! The speaker and the headphones both
sound the same, and now... I believe I'm getting signals of normal
strength (on my home tuner/antenna). I will do more comparisons with my
FT-950.
My Palstar tuner does indicate exactly 5 watts out (same as for my FT-950
Consider the OCF vertical dipole.
Mel
From: Ron D'Eau Claire r...@cobi.biz
To: elecraft@mailman.qth.net
Sent: Monday, July 1, 2013 2:24 PM
Subject: Re: [Elecraft] OT- Radials for Vertical Antenna
All of the no radial verticals that I've seen are
I have achieved frequency stability to 1 Hz with the Flex-1500 Elecraft
XV144 transverter combination, using a GPS disciplined OCXO on 116 MHz. I
have documented the XV144 frequency stability and drift data comparing the
GPS control against the stock crystal oven option with enhanced thermal
The output of the BCD pins is indeed TTL level, with coding as described in the
KRC2 manual.
If the BPFs need BCD input at +12 volts, probably the best way to do this would
be to configure four output pins to output the desired BCD code for each band
using the KRC2 Configuration Tool. I
Exactly. Consider that the idea is to avoid RF currents being induced in the
earth near the antenna. There are two ways to reduce those currents: more
copper under the antenna and more separation between the antenna and the
earth. So the higher the base of the vertical and radials are above the
Wes;
The KRC2 is outputting the BCD representation of the band that the K3 is
reporting to it. So in the 6m case, the KRC2 asserts the XV1 pin when the K3
indicates 6m on the Auxbus. the default, however, is for the K3 to indicate 10m
when on 6m, which is what the KRC2 faithfully outputs. The
Don... I was unable to find any further loose parts (from speaker
nut/washer) in the front panel area. They appear to have lodged on the
rear panel, but could certainly have bounced around a bit.
As for weak signals, I was camping the the Yukon, so maybe why I was
hearing weak signals!
So it
Much appreciated.
This is what I found on these amps –
Yes, I bought the dang Italian Amp because that is the ONLY one I could
actually get BUT if anyone has the TEnTec (418 I think, 100 amp, DC powered ,
portable , new model )and wants to sell it (working as new, no glitches ,
decent price
Or ... if you're really serious about melting solder and are willing
to troubleshoot and find your mistakes on your own, check out the
transistor clock from http://www.kabtronics.com/
Mark AD5SS
On Mon, Jul 1, 2013 at 9:04 AM, Terry Schieler w...@swbell.net wrote:
After you're caught up
Another source
http://www.goodluckbuy.com/-dc-dc-converter-qs-1212ccba-80w-power-supply-aut
o-boost-buck-80w-cc-cv-charger.html
Cheaper,
Shipping is from Shenzhen, China {free} but took about 3 weeks.
It should be very useful to boost a 12V battery to 13.8V to charge my KX3 or
as a regulator for
Will Elecraft, as in the past, only charge the charge card
when the amp is ready to ship ?
73
K1NR
KX3 SN: (still in the box awaiting build)
On Mon, 17 Jun 2013 18:55:33 -0700 (PDT)
W0FK llader...@earthlink.net wrote:
Got the email this evening.
/June 17, 2013
Now accepting orders
Thanks.
Just to try it I bought an HLA on Amazon, with fans.
I have the built in optional Elecraft tuner, some other 100W autotuners and
a few antennas that just might be resonant at the right freq:, 10M during
the day, 40 and 80 later on. Hopefully we just chat on the 2M until over
20-30
David,
The signal from U2 pin 1 is indeed analog. In normal transmit it should
contain a square wave at the frequency of the sidetone pitch. During
receive, the voltage level should change as you switch from filter to
filter.
If you have power control in the K1, then the other output from
OK, after Tim, M0AFJ, informed me that the amp needed to have fuses, and
I dutifully installed same, everything seemed fine for a little while.
Thanks, Tim, for the heads up. At that point I tried it on several
different bands into a dummy load and into the ether and was getting 500
watts
P.S. The rig is a Kenwood TS-590s.
Carl Jón Denbow mailto:c...@n8vz.com
Monday, July 01, 2013 9:01 PM
OK, after Tim, M0AFJ, informed me that the amp needed to have fuses,
and I dutifully installed same, everything seemed fine for a little
while. Thanks, Tim, for the heads up. At that point
Hi guys:
I have, over the past few weeks, built a K3, fairly fully loaded, a P3, KAT500,
KRC2ACC and a KPA500.
I now find myself a bit flummoxed as I try to cable them all together. I have
one of the special 15 pin cables, KPAK3AUX plus a Y-Cable, and I have ordered a
second.
Can anyone
Hi Randy and All,
A lot of answers to your questions, but I think what you really need to do
is read the extensive coverage of this topic by Rudy Severns, N6LF. Go to
this website:
http://www.antennasbyn6lf.com/
There are at least two groups of QEX articles you probably would be most
I placed my KXPA100 order a couple weeks ago .. the feedback I received
at that time indicated that they will process orders in the order they
are received and that they anticipate shipments to begin in mid to late
August.. so I'm realistically figuring I might see mine sometime around
late
As always, unless you direct them otherwise. For example, some DX buyers ask
for the full amount to be deducted immediately, if they expect the exchange
rate to move against them.
73,
Bruce
N1RX
Will Elecraft, as in the past, only charge the charge card
when the amp is ready to ship ?
73
I meant, when will the K3/0 MINI be out?
--
70 is the new 40.
Brian F. Wruble, C.F.A.
1107 Key Plaza, PMB 447 Key West, FL 33040
Summers: P.O.Box 57, 7400 Augustine Herman Highway, Georgetown, MD 21930
eFax 305.768.0278 Skype bwruble
On Jul 1, 2013, at 10:33 PM, Paul VanOveren
Hi Jack,
Thanks for joining in the discussion.
Before proceeding there is one typo that I made below. When I say, when it is
Band5=B6,, it should say when it is Band6=B6,
I have read your comments carefully but I am still confused. First, let me
state once again: I have installed (I think,
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